Discount retailer TJX is seeing some bullish options activity a day after its board approved a $1 billion stock buyback plan.

TJX hit a new 52-week high earlier today before pulling back slightly to $38.45, still up about 1 percent on the session. Shares of the company, which operates such discount chains as T.J. Maxx,Marshalls, and HomeGoods, began their steady uptrend at the end of January.