Pfizer's CEO said President Donald Trump's tariffs and uncertainty are holding the company back from making "tremendous investments" in the US. In a first-quarter earnings call on Tuesday, chief executive Albert Bourla was asked what incentives he would want to see in tariff negotiations that would make him increase manufacturing investments in the US."If I know that there will not be tariffs and a heavy certainty, then there are tremendous investments that can happen in this country, both in R&D and manuf ...