The BIST 100 index on Borsa Istanbul started the first trading day of the week at 12,277.24 points, up 11.25 points, or 0.09%, from the previous close.
The index had closed Friday at 12,265.98 points, gaining 0.43% amid buying pressure. At the opening, the banking index rose 0.17%, while the holding companies index fell 0.27%.
Sectors move in different directions
Among the sector indices, stone and earth led the gains at the opening, rising 0.73%. The financial leasing and factoring index recorded the steepest decline, falling 5.61%.

Global markets take a cautious stance
Global markets started the week cautiously under the impact of conflicts in the Middle East, despite optimism generated by Russia partially lifting its diesel export ban.
Analysts said the data agenda would be quiet both domestically and abroad. Technically, 12,400 and 12,500 points stand out as resistance levels for the BIST 100 index, while 12,100 and 12,000 points are seen as support levels.