Decades ago, HP (HPQ) , Apple (AAPL) , & IBM (IBM) were the titans of tech. After some down years, they all needed to evolve. IBM became a cloud computing giant that grew 45% in the last 12 months. HP descendent Hewlett-Packard Enterprise focuses on networking, storage and services gained nearly 80% in the last 12 months. Apple could soon become the first company valued at $1 Trillion.