8. Seagate Technology ( NASDAQ:STX ) – Seagate Technology is a data storage company that is up over 67% in the past 12 months. Specifically, Seagate is one of the largest hard disk drive (HDD) makers in the world. 9. Broadcom ( NASDAQ:AVGO ) – Broadcom stock has tried the patience of investors in 2021. Nevertheless, the stock benefits from 10 recent analyst upgrades primarily due to the expected strength in the semiconductor sector. 10. Oracle ( NYSE:ORCL ) – ORCL stock has dropped over 8% in the days after the earnings report as investors take profits with a continued wait-and-see approach.