BYD shares fell 3% in Hong Kong on Monday after a report that Warren Buffett's Berkshire Hathaway had sold the last of its stake in the Chinese EV maker. The famed investor's company likely made around $7 billion, or 30 times its money, from the 16-year investment, an analysis by Business Insider found.Buffett's conglomerate purchased the stake through its Berkshire Hathaway Energy subsidiary, which revealed in its first-quarter report this year that it had exited the position. Berkshire confirmed the exi ...