Check out the companies making the biggest moves midday: FactSet Research Systems — Disappointing earnings and full-year guidance sent shares 6% lower. The company's adjusted-fourth quarter earnings came in at $4.05 per share, lower than the $4.13 a share expected from analysts polled by FactSet. It guided for adjusted earnings between $16.90 and $17.60 for the full year, versus the $18.25 consensus estimate. However, fourth-quarter revenue topped expectations. Wynn Resorts — The casino operator rose 2% after Stifel raised its price target to $145 due to international gaming market tailwinds. The new forecast signals upside of more than 17% from Wednesday's close. Allstate — The insurance giant gained 4.8% after it reported that catastrophe losses for July and August came in at $397 millio

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