The Colombo Stock Exchange closed marginally higher on Wednesday as tourist arrivals declined and authorities intensified efforts against narcotrafficking, while technology firms and business groups pursued new partnerships and market opportunities.

Sri Lanka's stock market ended Wednesday with minimal gains, reflecting cautious investor sentiment across the local economy. The benchmark All Share Price Index rose just 0.03 percent to 21,325.64 points, while the more liquid S&P SL20 index gained 0.06 percent. Trading activity remained subdued with turnover of 1.28 billion rupees, dominated by the banking sector which accounted for 256.4 million rupees of transactions. Ceylinco Insurance led gainers with a 9.12 percent increase, while Browns Investments suffered the steepest decline at 7.02 percent.

Tourism, a critical revenue source for Sri Lanka, showed continued weakness during August. Visitor arrivals fell 3.3 percent year-on-year to 191,704 people, continuing a downward trend that prompted authorities to revise down annual targets in recent weeks. The government reduced its 2026 visitor goal from 3 million to 2.7 million and slashed revenue expectations from $5 billion to $4.2 billion. India remained the largest source market with 47,253 visitors, followed by the United Kingdom and China. The loss of hosting rights for the February 2027 Women's Cricket Champions Trophy, relocated due to concerns over government interference in cricket administration, is expected to further impact visitor numbers.

On the security front, the US Embassy highlighted a significant achievement in regional law enforcement cooperation. Joint operations between the US Drug Enforcement Administration and Sri Lanka's Police Narcotics Bureau disrupted a Pakistan-based narcotrafficking network, seizing approximately 463 kilograms of crystal methamphetamine valued at $21 million that was concealed in bath towels bound for international markets.

Business activity showed some positive momentum despite broader headwinds. Hunas Holdings, a diversified conglomerate listed on the Colombo Stock Exchange, announced a strategic partnership with Tokyo-based CCH Inc. to develop real estate and hospitality projects. Separately, 99x, a Sri Lankan technology firm, conducted an internal hackathon involving 150 employees across 30 teams to explore artificial intelligence applications in software engineering workflows, signalling continued innovation in the local tech sector.