Kodak Announces $1 Billion Buyback; Kroger Lowers Prices, Posts Profit; BP Breaks Ground on Wind Farm; Reliance and Dreamworks in Talks; Lukoil Joins Up With Italy’s ERG; Wachovia Brings in Goldman Sachs; Dow Hikes Prices; Yahoo and Microsoft Back in Talks Shares of Eastman Kodak Co. (EK) rose the most in 20 years as it boldly announced it will buyback $1 billion of its stock using a tax refund. The refund comes from an audit of the company’s taxes from 1993 to 1998, Bloomberg reported. The company posted a first-quarter loss in April. Kroger Co. (KR), the largest chain of U.S. grocery stores, beat analysts’ first-quarter earnings by lowering prices on the shelves and offering gasoline discounts, Reuters reported. The Cincinnati-based company Kroger posted a profit of $386 million, or 58 cents per share, compared with a profit ...