Research Article
[Retracted] Fuzzy Decision-Making Analysis of Quantitative Stock Selection in VR Industry Based on Random Forest Model
Table 12
Portfolio selection by investment strategy under different cycles.
| | Position change date | Stock 1 | Stock 2 | Stock 3 |
| | Jan. 31 | Kaiying Network | Perfect World | Chinese Media | | Feb. 27 | SuperMap Software | Zhongke Chuangda | Mason Culture | | Mar.31 | Songcheng Performing Arts | Skyworth Digital | Tianyin Holdings | | Apr. 30 | Triple 7 Entertainment | Xinwanda | Crystal Photonics | | May 31 | Rongtai Health | Jebsen shares | Perfect World | | June 30 | Common Progress Shares | Anjie Technology | Chinese Media | | July 31 | SuperMap Software | Zhongke Chuangda | Shunnet Technology | | Aug. 31 | Skyworth Digital | Shunnet Technology | Anjie Technology | | Sept. 30 | Skyworth Digital | Xinwanda | Goer Corporation | | Oct. 31 | SuperMap Software | Chinese Media | Triple 7 Entertainment | | Nov. 30 | Rongtai Health | Perfect World | Mason Culture | | Dec. 31 | Triple 7 Entertainment | Jebsen shares | Rongtai Health |
|
|
