Wall Street had its popcorn ready: After three years of sputters, the IPO screen was lighting up again , with Klarna , CoreWeave , and a handful of buzzy consumer names. Then Washington tripped over the power cord, plunging the whole IPO theater into darkness . With a federal government shutdown having started this week, the Securities and Exchange Commission is running on a skeleton crew. That means no new registration statements get reviewed, no comment letters get cleared, and no “effective” notices ge ...