Lasco Manufacturing took command of trading on the Jamaica Stock Exchange on Thursday with 20 percent of the overall volume changing hands, resulting in a rise in the volume of stocks traded, with a greater value than on Wednesday. All major indices of the Main Market dropped, the Junior Market index inched a fraction higher and the JSE USD Market slipped. At the end of trading the prices of 37 shares rose, 45 declined and 28 ended unchanged.
At the close of the market, the JSE Combined Market Index dropped 842.07 points to 331,667.06, the All Jamaican Composite Index lost 1,750.78 points to end at 365,546.75, the JSE Main Index skidded 930.58 points to wrap up trading at 321,599.01, the Junior Market Index popped 6.82 points to end at 3,368.79 and the JSE USD Market Index dipped 1.19 points to 192.09.
At the close of trading, 25,826,165 shares were exchanged in all three markets, up from 14,104,718 units on Wednesday, with the value of stocks traded on the Junior and Main markets amounted to $101.04 million, up from $34.38 million on the previous day and the JSE USD market closed with an exchange of 841,352 shares for US$56,059 up from 127,822 units at US$14,251 on Wednesday.
In Main Market activity, Lasco Manufacturing led with 5.33 million shares, followed by JMMB Group 10% preferred share, with 3.27 million stocks and Wigton Energy with 3.15 million units.
In Junior Market trading, Kintyre Holdings led with 2.79 million shares, followed by Express Catering with 1.88 million stocks as investors reacted positively to the latest quarterly results, with a 50 percent rise in profit and Regency Petroleum with 1.13 million units.
In the preference segment, 138 Student Living preference share fell $5.53 to end at $214.
The market’s PE ratio, the most popular measure used to value stocks, ended at 13.6 based on 2025-26 earnings and 14.9 based on 2024 historical earnings. 
The ICInsider.com PE ratio chart and the other, more detailed daily charts provide regularly updated information to help decision-making. The PE ratio chart covers all ordinary shares listed on the Jamaica Stock Exchange and grouped by industry, allowing for easy comparisons within a sector and the overall market. The earnings per share (EPS) and PE ratios are based on actual 2024 and projected 2025 earnings, excluding any major one time income or expense.
Pertinent information is required to navigate numerous investment options successfully in the stock market. The chart should be used in making rational decisions when investing in stocks close to the sector average, not going too far from it unless there are compelling reasons to do so. This approach helps to remove emotions from investment decisions and place them on fundamentals, while at the same time not being too far from the majority of investors. Investors who buy when the price of a stock is close to the average will find that they are not inclined to overpay for a stock. 
The net asset value of each company is incorporated into the chart. Investors can use this measure in assessing stock values. The chart also shows daily changes in stock prices and the percentage year to date price movement based on the last traded prices. Dividends that are paid or are due to be paid and yields for each company are shown in the Main and Junior Markets’ daily report charts, along with the closing volume of the highest bid and the lowest offer for each company.