Global shares edge into the red as investors brace for US inflation data and a corporate reporting season to justify high valuations; Geopolitical tensions rise as disruptions in the Red Sea raise shipping costs in Europe and the Israeli conflict with Hamas threatens to spread to Lebanon; European oil and gas stocks fall following sharp price cuts by Saudi Arabia and a rise in OPEC output; US congressional leaders agree on a $1.6 trillion spending deal to avert a partial government shutdown; MSCI's broadest index of stocks slips almost 1% after retreating 2.5% last week.