Stocks of interest on the Australian share market on Tuesday morning:

ORG – ORIGIN ENERGY – down 16 cents, or 1.66 per cent, at $9.45

OSH – OIL SEARCH – down 16 cents, or 1.77 per cent, at $8.89

STO – SANTOS – down 9 cents, or 1.48 per cent, at $6.00

Oil prices dropped more than four per cent overnight, with Brent reaching a three-month low, as Libyan ports reopened and traders eyed potential supply increases by Russia and other producers.

RIO – RIO TINTO – down 28 cents, or 0.35 per cent, at $79.13

Rio Tinto has delivered a 14 per cent jump in second-quarter iron ore shipments, with the mining giant flagging production at the upper end of its guidance for 2018.

BHP – BHP – down 35 cents, or 1.06 per cent, at $32.72

Copper prices fell along with most other metals overnight after data showed that China’s economy expanded at a slower pace in the second quarter, pointing to weaker demand.

DMP – DOMINO’S – up 44 cents, or 0.91 per cent, to $48.86

Domino’s boss Don Meij took home $36.84 million last year after he exercised options to acquire shares worth $35.7 million, making him Australia’s topped paid chief executive, according to a new survey.