Shell, Cairn Energy and Tullow Oil gained between 1.04 % - 3.5 % increase.是什么意思？

Shell, Cairn Energy and Tullow Oil gained between 1.04 % - 3.5 % increase.

壳牌 、 英国凯恩能源和塔洛石油获得了1.04%-3.5%之间的涨幅.

shell

n. （贝、卵、坚果等的）壳，外壳，炮弹，（人的）表面性

例句
The long whining whistle of a shell was followed by the dull boom of the explosion...
在炮弹长长的哀鸣声呼啸而过之后是隆隆而低沉的爆炸声。

cairn

n. 石冢，石堆纪念碑，堆石界标；

例句
...two yapping cairn terriers.
两只疯狂吠叫的凯恩犭更狗

energy

n. [物]能量，活力，精力，精神；

例句
A household radiator absorbs energy in the form of electric current and releases it in the form of heat.
家用取暖器吸收电流能量，再以热量的形式释放出来。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

oil

n. 油，石油，油画，燃油；vt. 给…加油；vi. 化成油；

例句
Several magnificent oil paintings adorn the walls.
几幅恢宏的油画装点着墙面。

gained

v. 获得( gain的过去式和过去分词 )，赢得，增加，（钟、表）走快；

例句
Fans gained more enjoyment barracking him than cheering on the team...
球迷一个劲儿地嘘他，兴头远胜于为球队加油。

between

prep. 在…之间，私下，暗中，在…中任择其一，来往于…之间；adv. 当中，中间；

例句
How big is the abyss between what you think you are and what you actually are?
你对自己的认识和真实的你之间差别到底有多大？

increase

vt.& vi. 增加，增大，增多；vt. 增强，增进，[缝纫]放（针）；vi. 增强，增进，增殖，繁殖，[缝纫]放针；

例句
Companies need to take active steps to increase exports.
各公司需要采取积极措施增加出口。