Shares of Credit score Suisse surged on Thursday, rebounding from a contemporary all-time low after the beleaguered lender introduced that it could faucet central financial institution help to shore up its funds.

Switzerland’s second-largest financial institution mentioned it could borrow as much as 50 billion Swiss francs ($53.68 billion) from the Swiss Nationwide Financial institution, offering a second of reduction for buyers after the Zurich-headquartered agency led Europe’s banking sector on a wild journey decrease in the course of the earlier session.

The Swiss-listed inventory value was buying and selling round 21% increased at 11:35 a.m. London time (7:35 a.m. ET) — a large swing from Wednesday’s greater than 30% tumble after its greatest backer mentioned it would not present additional help as a consequence of regulatory restrictions.

The abrupt lack of confidence in Credit score Suisse, which got here as fears concerning the well being of the banking system unfold from the U.S. to Europe, has prompted some to query the “true” value of Credit score Suisse’s inventory value.

“We’ve got to step again and look in fact on the viability of the enterprise mannequin [and] on the general regulatory panorama,” Beat Wittmann, chairman of Switzerland’s Porta Advisors, advised CNBC’s “Squawk Field Europe” on Thursday.

“I believe the management of the financial institution has to essentially use now this lifeline to evaluation their plan as a result of clearly, the capital markets haven’t purchased the plan as we’ve seen by the performances of the fairness value and the credit score default swaps very not too long ago.”

Requested for his views on the sharp fall of Credit score Suisse’s share value — which fell under 2 Swiss francs for the primary time on Wednesday — Wittmann mentioned a “brutal” financial tightening cycle led by main central banks in latest months meant firms weak to shocks have been now starting to “actually endure.”

“The weakest hyperlinks are cracking and that is simply taking place, and that was solely predictable — and this is not going to be the final one. Now it’s actually time for policymakers to revive confidence and liquidity within the system, be it within the U.S., be it in Switzerland, or be it someplace else,” Wittmann mentioned.

Requested for his recommendation to buyers amid the market turmoil, he mentioned: “The upside momentum in inflation and rates of interest is receding very clearly so I believe there’s a very wholesome underpinning in capital markets.”

“However I might very strongly suggest sticking to high-quality firms — meaning robust administration, robust stability sheets, robust worth proposition. And now you’ll be able to choose them up at extra enticing valuations,” Wittmann added.

Even earlier than the shock collapse of two U.S. banks final week, Credit score Suisse has been beset with issues in recent times, together with cash laundering fees and spying allegations.

The financial institution’s disclosure earlier this week of “materials weaknesses” in its reporting added to investor issues.

Credit score Suisse administration mentioned Wednesday, nevertheless, that its newest step to safe a large funding deal confirmed “decisive motion” to strengthen the enterprise. They thanked the Swiss Nationwide Financial institution and the Swiss Monetary Market Supervisory Authority for his or her help.

Analysts welcomed the transfer and prompt fears of a contemporary banking disaster could also be overstated.

“A stronger liquidity place and a backstop supplied by the Swiss Nationwide Financial institution with the help from Finma are optimistic,” Anke Reingen, an analyst at RBC Capital Markets, mentioned Thursday in a analysis word.

“Regaining belief is essential for the CS shares. Measures taken ought to present some consolation {that a} spillover to the sector may very well be contained, however the scenario stays unsure,” she added.

Analysts at UBS, in the meantime, mentioned market contributors have been “grappling with three interrelated however totally different points: financial institution solvency, financial institution liquidity, and financial institution profitability.”

“In brief, we expect financial institution solvency fears are overdone, and most banks retain robust liquidity positions,” they added.

For Dan Scott, head of multi-asset administration at Swiss asset supervisor Vontobel — who used to work at Credit score Suisse — it is not all dangerous information.

“I might say that Credit score Suisse particularly continues to be one of many world’s largest asset managers, it has half a trillion in belongings, and positively this may very well be a fantastic turnaround story if the execution story is nice,” he advised CNBC’s “Squawk Field Europe” on Thursday.

Requested by CNBC’s Geoff Cutmore whether or not this is able to imply buyers staying affected person regardless of market turbulence and the dimensions of outflows from the financial institution, Scott replied, “Completely. However I believe once more that the stress that we’re seeing in the intervening time actually ought to have been predictable.”

“When charges go up so quick, sure enterprise fashions get challenged and I do not suppose it’s a wealth administration enterprise mannequin that will get challenged. I believe rather more and why we noticed it at Silicon Valley Financial institution, is non-public markets are going to be challenged,” Scott added.