Cognizant is trading 9.8% up at $63.05, with no verified October 1 company-specific announcement explaining the jump.
- The price has moved sharply from the September 30 close of $57.44.
- The September 28 ACI Worldwide/AWS performance-testing announcement surfaced in search results, but was not a new October 1 catalyst.
- Available evidence does not establish a direct connection to the earlier news or broader market conditions; the major indices provided are up less than 0.5%.