SET Index dropped 17.6 points, primarily pressured by the energy sector, which impacted the index by 4 points from PTTEP, PTT, TOP, BCP, and SPRC, declining 1.8% - 2.4%. The ICT group pressured the index by -2.7 points from ADVANC, INTUCH, and TRUE, falling 1.7%-2%. The banking sector dropped 1.2% due to "Sell on Fact" after financial reports.Conversely, sectors that rose against the market trend were export-oriented groups benefiting from December's good export expansion, such as:STA +1.2%IVL +0.9%CCET +2.3%