The Swiss market rebounded from a mild mid-morning dip to close Tuesday's session on a strong note.
Investors processed a series of earnings reports from Swiss companies while anticipating significant global economic data, and upcoming policy announcements from the Federal Reserve, the Bank of England, and the Bank of Japan.
The benchmark SMI closed with a gain of 67.12 points, or 0.55%, at 12,282.02. After dipping to 12,205.57 mid-morning, the index reached a high of 12,296.35 later in the session.
Sika advanced 2.05%, following the chemicals maker's reaffirmation of its annual forecast alongside a 9.2% increase in first-half sales.
SIG Group rose approximately 2.25%, Swatch Group advanced nearly 2%, and Geberit increased by around 1.5%.
Swiss Re, Straumann Holding, Zurich Insurance Group, and Lindt & Sprüngli saw gains ranging from 1% to 1.25%. Holcim, SGS, Nestle, Kuehne + Nagel, Logitech International, Julius Baer, and Richemont ended the day 0.6% to 0.9% higher.
However, Clariant plummeted 8% after the Swiss chemical company reported a drop in second-quarter earnings due to lower prices and subsequently lowered its sales outlook.
ams OSRAM AG and Avolta closed down by 2.1% and 1.6%, respectively. Tecan Group and Temenos Group also registered notable declines.
On the economic front, the Swiss Economic Institute (KOF) reported that the KOF economic barometer fell to 101 in July from 102.7 in June.