Apple downgrade slammed semiconductor stocks- but do you know what you're selling?

  Fabless versus foundries- what's the difference? Has Intel's time come? Nvidia versus AMD A knock-on effect was felt when Barclays downgraded Apple Inc (NASDAQ:AAPL, ETR:APC) on Wednesday over perceived weakness in demand for its devices. Guilty by association, shares in Taiwan Semiconductor Manufacturing Company (TSMC), AMD and, oddly enough, Nvidia Corporation (NASDAQ:NVDA), fell during Asia and pre-market US trades. Other suppliers of semiconductor (or microchip) technology that go into Apple and com ...