Pork prices are down, but drought in California, rains in the Midwest and an avian flu epidemic have forced up prices for everything from almonds to wheat to eggs. Packaged food heavyweights ConAgra (CAG) and General Mills (GIS) have concomitantly moved higher, even as food costs rise. Kellogg (K), consolidating since January, is making a bid to retake its 50-day moving average.