Mastercard Incorporated announced earnings for its second quarter that increased from the same period last year and beat Wall Street estimates, thanks to “robust” consumer demand. The US financial services and credit card behemoth saw its bottom line come in at $2.28 billion, or $2.34 per share. This compares with $2.07 billion, or $2.08 per share, in last year’s second quarter. Excluding items, Mastercard reported adjusted earnings of $2.5 billion or $2.56 per share for the period. The company’s revenue for the quarter rose 21.4% to $5.5 billion from $4.53 billion last year. “We had strong re…