The combination of an electronics tariff reprieve and dovish noises from the Federal Reserve have created a semblance of calm in financial markets, though the lingering trade war uncertainty means the respite probably won't last long. * The Trump administration is proceeding with probes into imports of pharmaceuticals and semiconductors as part of a bid to impose tariffs on both sectors on national security grounds, Federal Register filings on Monday showed. * The dollar held steady on Tuesday, trading near a three-year low against the euro and a six-month trough against the yen, as investors trying to make sense of the constant changes to President Donald Trump's tariffs remained wary of U.S. assets.