Upheaval in financial markets continued on Thursday, as investors balanced pockets of turmoil emanating from the banking industry against some semblance of stability returning to the broader market.The S&P 500 opened with a drop, before quickly rallying to a gain of more than 1 percent by midday. The Stoxx 600 index, which tracks shares of the biggest companies in Europe, gained roughly 1.4 percent.Those headline moves masked the pain still being felt among investors in some of America’s smaller lenders, following a cascade of panic that was set in motion last week by the failure of Silicon Valley Bank. Whipsaw moves added to the challenging trading conditions across markets.Despite the rally on Thursday, investors remain on tenterhooks, braced f …
