The Republican president-elect made plenty of campaign promises: steep tariffs, tax cuts, business-friendly deregulation and tighter immigration laws, to name some. For investors who plowed into stocks last week on speculation Trump’s policies will bolster the economy, the challenge is to figure out which sectors will get a lasting boost. The Republican president-elect made plenty of campaign promises: steep tariffs, tax cuts, business-friendly deregulation and tighter immigration laws, to name some. For investors who plowed into stocks last week on speculation Trump’s policies will bolster the economy, the challenge is to figure out which sectors will get a lasting boost. Economic Times