Earnings spotlight: 

on April 28
UPS $UPS
3M $MMM
Alphabet $GOOG
Ford $F
Caterpillar $CAT
AMD $AMD
PepsiCo $PEP
Starbucks $SBUX 
Merck $MRK

on April 29
Microsoft $MSFT
eBay $EBAY
Facebook $FB
Yum Brands $YUM
Boeing $BA
Mastercard $MA
General Electric $GE 
Tesla $TSLA