Shares of Chinese electric-vehicle startups Nio, Inc. (NYSE:NIO), XPeng, Inc. (NYSE:XPEV) and Li Auto, Inc. (NASDAQ:LI) are rallying in premarket trading on Tuesday, signaling a potential rebound from Monday’s pullback. The optimism came on the back ofstellar deliveries these companies reported for September and the third quarter. Here’s how each of them fared: *includes only battery EVs See Also: Best EV Stocks Most of these companies are now focusing on the low end of the market. XPeng said the first month deliveries of its XPeng Mona M03, an affordable electric sedan launched in late August…