Wall Street ended higher on Monday after a choppy session, with gains in Apple and other technology stocks offsetting worries about an escalating trade war between Washington and its trading partners. Shares rallied into the close with all three benchmarks turning positive after fluctuating in a choppy session. Traders were eyeing a July 6 deadline for US tariffs on $US34 billion worth of Chinese goods to kick in, posing danger of a strong response from Beijing.
