Thermo Electronic (TMO, news, chart, volatility) call options are being bought. Shares are up 53 cents to $33.34 and volume in the options market is running double the usual. 3,000 calls and 680 puts have traded. All of today’s volume has come in orders of fewer than 80 contracts, with about 90 percent of today’s call activity hitting offerside. Directional sentiment based on the total order flow is 84 percent bullish.