AAON is trading at $88.29, up 4.67%, amid a broadly positive market; no clearly dated company-specific catalyst has been identified. - The October 6 price compares with an October 5 close of $84.35. - U.S. index futures were higher, and major technology stocks were strengthening in morning trading. - The S&P 500, Nasdaq Composite and Dow Jones Industrial Average were each up more than 0.5%; available information does not establish a company-specific cause for AAONβs move.