Text size Tesla ’s plant near Shanghai is going to shut down temporarily, according to reports. The downtime will add some uncertainty into third-quarter numbers for the electric-vehicle pioneer. On Wednesday, Reuters reported that Tesla (ticker: TSLA) will shut down production in China for a couple of weeks at the start of July to upgrade equipment. Other news outlets, however, reported the shutdown will be a few days, citing an email translated from Chinese. Tesla didn’t return a request for comment. In either case, halted production probably isn’t what investors want to hear during what has proven to be a...