Tesla (TSLA) shares are trending down on Jan. 20 after the company’s chief executive, Elon Musk, started a poll on X asking whether he should buy Ireland-based Ryanair (RYAAY). The billionaire’s social media poll is an extension of his public spat with the airline’s CEO, Michael O’Leary, over the cost and value of teaming up with Starlink for in-flight WiFi. More News from Barchart Following today’s decline, Tesla stock is down nearly 13% versus its 52-week high. www.barchart.com Why Is the Ryanair N ...