$Tesla (TSLA.US)$ attracted millions of dollars in unusual option trades as the stock rose near this year's high after analysts upgraded their outlook on the stock.
The biggest among the unusual option activities so far Monday involved an active buyer paying a $2.5 million premium to purchase put options that give the holder the right to sell 400,000 Tesla shares at $330 by Dec. 20. That bearish transaction was part of a m...