Bloomberg: SunPower Corp., the second-biggest U.S. solar-cell maker, may report a record profit after rising oil and gas costs increased demand for alternative energy systems from Italy to California. First-quarter net income probably rose to $12 million, or 14 cents a share, from $1.2 million, or 2 cents, a year earlier, according to the average of 12 analyst estimates compiled by Bloomberg. Sales likely soared 71 percent to $245 million, the data show. Chief Executive Officer Thomas …