The Stockholm Stock Exchange hovered around the flatline for most of Tuesday before strengthening towards the end of the trading day. European markets also gained ground in the late afternoon.

At the close, the OMXS30 index was up 0.66 percent at 2,754.25. Shares worth approximately SEK 20.7 billion were traded on the Stockholm Stock Exchange.

The real estate sector led the main industrial sectors with a 2.7 percent gain. On the other end of the spectrum, basic materials lagged behind, falling 0.7 percent.

Among the leading stocks included in the OMXS30 index, Assa Abloy B rose 5.6 percent while Addtech B climbed 2.6 percent. Boliden performed the worst, dropping 2.1 percent, while ABB slipped 1.1 percent.

The news flow was dominated by quarterly reports. Among the large-cap companies, Tele2 reported an underlying operating profit, measured as ebitdaal, below expectations. The stock fell 0.7 percent.

Lock manufacturer Assa Abloy posted an adjusted operating profit that was 1.4 percent higher than expected. Organic sales growth rose to 3 percent from zero percent.

Technology trading group Indutrade surged 8.2 percent. The EBITA result for the third quarter came in at SEK 1,143 million, compared to an expected SEK 1,109 million. During the same period last year, the result was SEK 1,182 million.

Forest and garden products company Husqvarna's adjusted operating profit was significantly below analysts' expectations, coming in at SEK 140 million versus an expected SEK 197 million. The company also announced the closure of its Brastad factory, which will yield savings of SEK 100 million with full effect in 2027. The stock dropped 7.1 percent.

Conglomerate Ratos saw its adjusted EBITA increase to SEK 373 million from SEK 286 million, just missing expectations set at SEK 377 million. The stock fell 4 percent.

Software company Lime Technologies jumped 17.9 percent. The Q3 report showed an increase in EBITDA to SEK 54.9 million from SEK 50.4 million. Organic sales growth was 12 percent.

Industrial communications firm HMS Networks reported an adjusted operating profit above expectations at SEK 244 million, compared to an expected SEK 193 million. The stock soared 12.7 percent.

Engineering firm Bulten's adjusted operating profit dropped to SEK 16 million from SEK 91 million. Order intake fell by 38 percent. Q3 was affected by a cyberattack at one of the company's largest customers, leading to delivery stoppages later in the quarter. Bulten expects the impact to continue into the fourth quarter. The stock plunged 12.7 percent.

Property company Fabege reported management earnings of SEK 393 million, above the expected SEK 382 million for the third quarter. CEO Stefan Dahlbo noted signs of improvement in the market. The stock rose 9.3 percent.

In other news, investment company Flat Capital is investing approximately SEK 38.5 million in another AI portfolio, consisting of four prominent American AI companies. Flat Capital says it was able to invest in the portfolio through its relationship with OpenAI. The stock increased 1.3 percent.

Genova Fastigheter has entered into an agreement and letter of intent to acquire a property portfolio in the Stockholm region for approximately SEK 1.2 billion. The company will partly finance the purchase with a directed new share issue to the seller Landia for SEK 101 million. The stock climbed 6.8 percent.

Live casino developer Evolution was up 1.6 percent. The company announced that it was competitor Playtech behind what it described as a smear campaign from 2021, having hired Israel's Black Cube to produce a report about the company and its operations. The announcement comes after Evolution recently won a legal case to discover who was behind the 2021 short-seller report that erased a portion of its market value. Cantor Fitzgerald downgraded Evolution to underweight from neutral.

Lundin Gold fell 16 percent, weighed down by a relatively large decline in the gold price.

On the analysis front, Cantor Fitzgerald upgraded Stillfront to overweight from neutral. The stock surged 10.5 percent.

Rothschild & Co Redburn upgraded Sandvik to buy from neutral. The stock rose 0.8 percent.