here s christine romans. reporter: the focus on trade developments with steel and aluminum tariffs slapped on america s largest trading partners and retaliatory moves facing u.s. companies, a trade war maybe inevitable. the aim is to boost employment in metals manufacturing, a sector seeing significant job losses over the past decade but with the jobless rate at an 18-year low finding workers may be difficult. the economy add 223,000 net new jobs in may. the last time unemployment was pleau 3.8% was all the way back in 1969 and wages rose 2.7% over the past year. this is what full employment looks like. the economy is humming. companies are turning solid profits, but more headlines on trade could pose a risk to the stock market this week. watch for that. christine romans, cnn, new york. thanks. tonight president trump is working some new muscles, or is