DALLAS (AP) — WhiteWave Foods Co., which makes Horizon organic milk and Silk brand food and beverages, reported Thursday that its first-quarter net income fell 23 percent, weighed down by higher operating costs and expenses. Its adjusted earnings topped Wall Street's view, but revenue missed analysts' estimates. Its shares rose 35 cents, or 2 percent, to $18.10 in midday trading.Read more on NewsOK.com