Shares of U.S. technology heavyweights down amid concerns President-elect Donald Trump will stick to his largely protectionist agendaTrump has vowed to prevent companies from making products overseas, to renegotiate trade accords and impose tariffs on imports from countries such as ChinaPolicies that disrupt the flow of goods and services between U.S. and trading partners would be negative for industries including technologyMost big U.S. technology names have high international exposureApple (AAPL) down 2.1%, biggest drag on S&P 500, closely followed by Amazon (AMZN), which is down 3.1%Trump had said in May Amazon was "controlling so much of what they are doing"; CEO Jeff Bezos had a "huge antitrust problem"Shares of Alphabet (GOOGL), Facebook (FB), IBM (IBM), Microsoft (MSFT) and Netflix (NFLX) decline between 1.5-2.5%S&P 500 Index had risen 4.7% this year through Tuesday's close, while S&P tech index had gained 10.8% during the same period.I think for software companies Trump protectionism will not be a serious threat. They do not need physical presence of their employers in US, they can be located anywhere in the world. Trump will not be able to force them hire only US workers.