Today’s tickers: GS, TJX & NTGR GS  - Goldman Sachs Group Inc. –  Weekly options on Goldman Sachs are active today, with fresh interest on the rise in short-dated calls and puts. Shares in GS are up 0.65% on the session to stand at $159.66 as of 12:30 p.m. ET. Weekly puts with three full trading sessions remaining to expiration attracted substantial volume in the early going. Traders appear to have purchased more than 1,900 of the Aug 23 ’13 $155 strike puts for an average premium of $0.70 apiece this morning, and may profit at expiration this week in the event that Goldman’s shares slump 3.3% from the current price of $159.66 to trade below $154.30. Options traders dabbled in far out of the money weekly puts as well, snapping up around 700 of the Aug 23 ’13 $150 puts at an average premium of $0.27 each and around 310 of the Aug 23 ’13 $145 strike puts for an average premium of $0.13 apiece. The Aug 23 ’13 $160 strike contracts are also changing hands today, with volume in the $160 call and put options exceeding 2,500 contracts and surpassing open interest levels. Overall volume in GS options is approaching 22,200 contracts as of 12:45 p.m. ET, nearing the stock’s average daily options volume of around 24,800 contracts. TJX  - TJX Companies Inc. –  Front month call options in play on TJX Companies this morning suggests some traders are positioning for shares in the off-price retailer to extend gains in the near term. The stock is up 6.0% at $53.80 just after midday on Tuesday after the company reported better than expected second-quarter earnings and revenue and raised its full year earnings and sales guidance ahead of the opening bell this morning. Traders looking for the price of TJX shares…