Premarket Roundup: Corning, Corp Exec Board

Among the premarket stories for Tuesday, August 18, from AP Financial News:

NEW YORK (AP) — An analyst upgraded Corning Inc. Tuesday, saying investors are underestimating a potential recovery for the maker of liquid crystal display glass.

NEW YORK (AP) — A Deutsche Bank analyst downgraded Corporate Executive Board Co. on Tuesday, saying Wall Street and investors are too optimistic about the corporate strategy and human resources consultancy's earnings growth next year.

NEW YORK (AP) — Pioneer Natural Resources shares may rise as much as 26 percent in the next year as high oil prices boost earnings, an analyst said Tuesday.

NEW YORK (AP) — Investors interested in packaging company stocks should be more cautious as a recent share price rally has eliminated the relative discounts from earlier this year, an analyst said Tuesday.

NEW YORK (AP) — Coal markets could face renewed interest from pig iron producers in Asia, but lower shipments from less well-capitalized producers and the negative impact of milder weather on electric generation will likely hurt the industry, said an analyst on Tuesday.