rTesla (TSLA) will report first-quarter earnings late Wednesday, as the EV maker prepares to reopen its Shanghai factory, which has been shut down for three weeks due to a spike in Covid-19 cases in China.XMeanwhile, CEO Elon Musk's $43 billion takeover attempt of Twitter (TWTR) is also top of mind among Tesla investors. Tesla stock rose Monday.Tesla's factory in China has been closed since March 28. The company on Monday was preparing to reopen in a "closed loop management" process, according to a Bloomberg report. That means Tesla workers recalled to the factory would have to live on site. It's…