RIM is rallying and calls on the Blackberry-maker are seeing brisk trading today. Shares gained $1.24 to $22.92 and are now up 12.4 percent from the intraday 52-week low of $20.41 set Thursday. Options volume in RIM so far includes 63,000 calls and 19,000 puts. Weekly 23 calls, which expire 9/30 and are now 8 cents OTM, are the most actives. 12,260 traded. Weekly 22, Weekly 24, Oct 23, Oct 24 and Oct 25 calls are also busy. Meanwhile, implied volatility in options on RIMM is up 10 percent to 71 amid talk “Carl Icahn has taken a stake in the company” but “there is no actual evidence that Icahn has an interest in the company,” Forbes.com (link).