Thousands of American institutions are struggling to keep business running smoothly with limited staff in the Covid-19 era. That includes Wall Street’s top regulator, the Securities and Exchange Commission. Chairman Gary Gensler said Wednesday that the SEC is trying to juggle an unprecedented list of financial challenges with a smaller staff. “We are short-staffed,” Gensler told CNBC’s “Squawk on the Street.” “It might sound odd to say that at an agency with 4,400 remarkable, dedicated staff working remotely during this challenging pandemic. But that’s 4% to 5% less than we had just five years ago.” “We’ve got an IPO ... (full story)