The CNN Money Fear and Greed index showed some improvement in overall market sentiment, but the index remained in the “Greed” zone on Monday. U.S. stocks closed higher on Monday, with the Nasdaq Composite notching its best day since Nov. 14, 2023. The VanEck Semiconductor ETF (NASDAQ: SMH) surged 3.5% to record its best session since November. The Boeing Company (NYSE: BA) shares fell 8% on Monday after an exit door blew out of a 737 aircraft during a commercial flight. The Federal Aviation Administration grounded 171 Boeing jets over the weekend after travelers aboard an Alaska Air Group flig…