"Sister Wood" Cathie Wood's Ark Investment Management LLC remains bullish on Tesla (TSLA. O), expecting the stock to reach $2,600 in five years, or nearly 10 times its current level. Tesla's robot taxis will account for 90% of its value by then. Ark has not even included Tesla's pioneering work on humanoid robots in its stock price forecast. Tesla shares will reach $2,600 in five years, almost 10 times their current level. Wood's company, meanwhile, is more bullish on China. Ark Investment bought Baidu's U.S.-listed stock on Monday, raising its China position, which had previously remained at its lowest level.