Market ends week up 3 percent, its biggest gain since November.
Traders show they feel less anxious about Brexit vote last week.
Mondelez International offered nearly $23 billion in cash and stock.
U.S. stocks echo strong gains in global markets
Data on economy, housing market puts traders in buying mood.
“Brexit” vote could bring long-term financial fallout for some companies.
S&P 500 falls 3.6%; Nasdaq composite index drops 4.12%.
Stock markets, oil prices crash; pound hits lowest level in three decades.
Pension, acquisition items drag company to quarterly loss.