What caused a sudden drop in TSLS stock Sold 4 Call options Trade Executed for TSLA 09/25/15 C 00265.000

	Today Tesla opened strong and touched a high of around $272. Then suddenly, it started trading low but at one particular moment, it dropped steeply as you can see in the Yahoo Finance intraday 1 day chart. Then stock failed to come up. Seems like there was some news...For me, there was a sudden sell/supply of TSLA..so I wanted to increase my short position. Decided to sold 4 options of TSLA 265 call options and collected around $1500 (-$10 for commission.)      Tesla intraday sell off      Trade Alert           Your alert for the sell trade of  TSLA 09/25/15 C 00265.000 from account XXX-X2K00, was triggered on 09/21/2015 at 15:20:23 ET. You traded 4 shares for $3.75 per share.           View Order Status for this Trade           Trade TSLA 09/25/15 C 00265.000