Texas Instruments Inc. (TXN) has surged 19% in stock price following an impressive earnings report that revealed a 90% growth in its data center business, marking its best trading day since 2000. This performance has eased earlier concerns regarding its industrial segment, with analysts projecting revenue between $5 billion and $5.4 billion for the upcoming quarter. In stark contrast, other tech firms like ServiceNow and IBM are facing declines in their shares, highlighting the volatile nature of the tech sector.