Morgan Stanley analyst Adam Jonas says Tesla's sales in China could drop to nothing by 2030.: Tesla (TSLA) may not have much of a future in the world’s largest electric vehicle market, if one analyst’s predictions pan out. Morgan Stanley’s (MS) Adam Jonas says that CEO Elon Musk’s high-tech automotive company will likely see sales in China plummet to zero by 2030. “We have China sales peaking [in the] middle of the decade and then going down...and then eventually nothing after 2030,” Jonas told Yahoo Finance’s “On the Move” this week.