Hansen Natural (NASDAQ: HANS) was trading up $1.29 to $38.50 in pre-open trading.
UBS Warburg believes Coke (NYSE: KO) has been looking into a potential acquisition of HANS.
Stifel says: "We reiterate our Buy rating on HANS after shares declined yesterday following a note from an independent research firm."
HANS February option implied volatility of 74 is above its 26-week average of 60 according to Track Data, suggesting larger price movement.
Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com
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